"An unexpected exception occurred. This is always a coding error. If you are running the latest version of JOSM, please consider being kind and file a bug report."

[cjfl]

What steps will reproduce the problem?

1. Uploading changeset

What is the expected result?

What happens instead?

Please provide any additional information below. Attach a screenshot if possible.

URL:https://josm.openstreetmap.de/svn/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2018-03-01 10:08:48 +0100 (Thu, 01 Mar 2018)
Build-Date:2018-03-01 09:12:13
Revision:13478
Redirecting:to URL 'https://josm.openstreetmap.de/svn/trunk':
Relative:URL: ^/trunk

Identification: JOSM/1.5 (13478 en) Windows 7 64-Bit
OS Build number: Windows 7 Enterprise (7601)
Memory Usage: 730 MB / 1812 MB (354 MB allocated, but free)
Java version: 1.8.0_161-b12, Oracle Corporation, Java HotSpot(TM) 64-Bit Server VM
Screen: \Display0 1600x900
Maximum Screen Size: 1600x900
VM arguments: [-Djava.security.manager, -Djava.security.policy=file:<java.home>\lib\security\javaws.policy, -DtrustProxy=true, -Djnlpx.home=<java.home>\bin, -Djnlpx.origFilenameArg=%UserProfile%\AppData\LocalLow\Sun\Java\Deployment\cache\6.0\56\1ee8cfb8-48d1a4e0, -Djnlpx.remove=false, -Djava.util.Arrays.useLegacyMergeSort=true, -Djnlpx.splashport=50047, -Djnlp.application.href=https://josm.openstreetmap.de/download/josm.jnlp, -Djnlpx.jvm=<java.home>\bin\javaw.exe]
Dataset consistency test: No problems found

Plugins:
+ changeset-viewer (1518145917)
+ imagery_offset_db (33774)
+ pt_assistant (33860)
+ public_transport_layer (33900)
+ reverter (34036)
+ tag2link (33934)
+ turnrestrictions (33780)

Last errors/warnings:
- E: Handled by bug report queue: java.awt.IllegalComponentStateException: component must be showing on the screen to determine its location
- E: Handled by bug report queue: java.awt.IllegalComponentStateException: component must be showing on the screen to determine its location
- E: Handled by bug report queue: java.awt.IllegalComponentStateException: component must be showing on the screen to determine its location
- E: Handled by bug report queue: java.awt.IllegalComponentStateException: component must be showing on the screen to determine its location
- E: Handled by bug report queue: java.awt.IllegalComponentStateException: component must be showing on the screen to determine its location
- W: Too many errors. Dropping ReportedException [thread=Thread[AWT-EventQueue-2,6,javawsApplicationThreadGroup], exception=java.awt.IllegalComponentStateException: component must be showing on the screen to determine its location, methodWarningFrom=BugReportExceptionHandler#handleException]
- E: Handled by bug report queue: java.awt.IllegalComponentStateException: component must be showing on the screen to determine its location
- W: Too many errors. Dropping ReportedException [thread=Thread[AWT-EventQueue-2,6,javawsApplicationThreadGroup], exception=java.awt.IllegalComponentStateException: component must be showing on the screen to determine its location, methodWarningFrom=BugReportExceptionHandler#handleException]
- E: Handled by bug report queue: java.awt.IllegalComponentStateException: component must be showing on the screen to determine its location
- W: Too many errors. Dropping ReportedException [thread=Thread[AWT-EventQueue-2,6,javawsApplicationThreadGroup], exception=java.awt.IllegalComponentStateException: component must be showing on the screen to determine its location, methodWarningFrom=BugReportExceptionHandler#handleException]


=== REPORTED CRASH DATA ===
BugReportExceptionHandler#handleException:
No data collected.

Warning issued by: BugReportExceptionHandler#handleException

=== STACK TRACE ===
Thread: AWT-EventQueue-2 (60) of javawsApplicationThreadGroup
java.awt.IllegalComponentStateException: component must be showing on the screen to determine its location
	at java.awt.Component.getLocationOnScreen_NoTreeLock(Unknown Source)
	at java.awt.Component.getLocationOnScreen(Unknown Source)
	at javax.swing.text.JTextComponent$InputMethodRequestsHandler.getTextLocation(Unknown Source)
	at sun.awt.im.InputMethodContext.getTextLocation(Unknown Source)
	at sun.awt.windows.WInputMethod$1.run(Unknown Source)
	at java.awt.event.InvocationEvent.dispatch(Unknown Source)
	at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
	at java.awt.EventQueue.access$500(Unknown Source)
	at java.awt.EventQueue$3.run(Unknown Source)
	at java.awt.EventQueue$3.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
	at java.awt.EventQueue$4.run(Unknown Source)
	at java.awt.EventQueue$4.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
	at java.awt.EventQueue.dispatchEvent(Unknown Source)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
	at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
	at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
	at java.awt.WaitDispatchSupport$2.run(Unknown Source)
	at java.awt.WaitDispatchSupport$4.run(Unknown Source)
	at java.awt.WaitDispatchSupport$4.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.awt.WaitDispatchSupport.enter(Unknown Source)
	at java.awt.Dialog.show(Unknown Source)
	at java.awt.Component.show(Unknown Source)
	at java.awt.Component.setVisible(Unknown Source)
	at java.awt.Window.setVisible(Unknown Source)
	at java.awt.Dialog.setVisible(Unknown Source)
	at org.openstreetmap.josm.gui.io.UploadDialog.setVisible(UploadDialog.java:399)
	at org.openstreetmap.josm.actions.UploadAction.uploadData(UploadAction.java:247)
	at org.openstreetmap.josm.actions.UploadAction.actionPerformed(UploadAction.java:301)
	at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
	at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
	at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
	at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
	at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source)
	at java.awt.AWTEventMulticaster.mouseReleased(Unknown Source)
	at java.awt.Component.processMouseEvent(Unknown Source)
	at javax.swing.JComponent.processMouseEvent(Unknown Source)
	at java.awt.Component.processEvent(Unknown Source)
	at java.awt.Container.processEvent(Unknown Source)
	at java.awt.Component.dispatchEventImpl(Unknown Source)
	at java.awt.Container.dispatchEventImpl(Unknown Source)
	at java.awt.Component.dispatchEvent(Unknown Source)
	at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
	at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
	at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
	at java.awt.Container.dispatchEventImpl(Unknown Source)
	at java.awt.Window.dispatchEventImpl(Unknown Source)
	at java.awt.Component.dispatchEvent(Unknown Source)
	at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
	at java.awt.EventQueue.access$500(Unknown Source)
	at java.awt.EventQueue$3.run(Unknown Source)
	at java.awt.EventQueue$3.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
	at java.awt.EventQueue$4.run(Unknown Source)
	at java.awt.EventQueue$4.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
	at java.awt.EventQueue.dispatchEvent(Unknown Source)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
	at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
	at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
	at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
	at java.awt.EventDispatchThread.run(Unknown Source)

[Don-vip]

Closed as duplicate of #15801.